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authorlin <[email protected]>2017-09-15 18:10:51 +0800
committerlin <[email protected]>2017-09-15 18:10:51 +0800
commitc19fb2ab58d0ea77263a5eafa28fe2cf6ca9dec6 (patch)
tree57bc0303655afa55ae17dfbd2c0c72ae11432200 /bsp/apollo2/libraries/drivers/hal/am_hal_rtc.c
parent7b4e7224e4fba7080c33ebf11b45dc9b093a73d6 (diff)
Add bsp apollo2
Diffstat (limited to 'bsp/apollo2/libraries/drivers/hal/am_hal_rtc.c')
-rw-r--r--bsp/apollo2/libraries/drivers/hal/am_hal_rtc.c678
1 files changed, 678 insertions, 0 deletions
diff --git a/bsp/apollo2/libraries/drivers/hal/am_hal_rtc.c b/bsp/apollo2/libraries/drivers/hal/am_hal_rtc.c
new file mode 100644
index 0000000000..4630d5a117
--- /dev/null
+++ b/bsp/apollo2/libraries/drivers/hal/am_hal_rtc.c
@@ -0,0 +1,678 @@
+//*****************************************************************************
+//
+// am_hal_rtc.c
+//! @file
+//!
+//! @brief Functions for interfacing with the Real-Time Clock (RTC).
+//!
+//! @addtogroup rtc2 Real-Time Clock (RTC)
+//! @ingroup apollo2hal
+//! @{
+//
+//*****************************************************************************
+
+//*****************************************************************************
+//
+// Copyright (c) 2017, Ambiq Micro
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are met:
+//
+// 1. Redistributions of source code must retain the above copyright notice,
+// this list of conditions and the following disclaimer.
+//
+// 2. Redistributions in binary form must reproduce the above copyright
+// notice, this list of conditions and the following disclaimer in the
+// documentation and/or other materials provided with the distribution.
+//
+// 3. Neither the name of the copyright holder nor the names of its
+// contributors may be used to endorse or promote products derived from this
+// software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+// POSSIBILITY OF SUCH DAMAGE.
+//
+// This is part of revision 1.2.9 of the AmbiqSuite Development Package.
+//
+//*****************************************************************************
+
+#include <stdint.h>
+#include <stdbool.h>
+#include "am_mcu_apollo.h"
+
+//*****************************************************************************
+//
+// Converts a Binary Coded Decimal (BCD) byte to its Decimal form.
+//
+//*****************************************************************************
+static uint8_t
+bcd_to_dec(uint8_t ui8BCDByte)
+{
+ return (((ui8BCDByte & 0xF0) >> 4) * 10) + (ui8BCDByte & 0x0F);
+}
+
+//*****************************************************************************
+//
+// Converts a Decimal byte to its Binary Coded Decimal (BCD) form.
+//
+//*****************************************************************************
+static uint8_t
+dec_to_bcd(uint8_t ui8DecimalByte)
+{
+ return (((ui8DecimalByte / 10) << 4) | (ui8DecimalByte % 10));
+}
+
+//*****************************************************************************
+//
+//! @brief Selects the clock source for the RTC.
+//!
+//! @param ui32OSC the clock source for the RTC.
+//!
+//! This function selects the clock source for the RTC.
+//!
+//! Valid values for ui32OSC are:
+//!
+//! AM_HAL_RTC_OSC_LFRC
+//! AM_HAL_RTC_OSC_XT
+//!
+//! @return None
+//
+//*****************************************************************************
+void
+am_hal_rtc_osc_select(uint32_t ui32OSC)
+{
+ //
+ // Set XT if flag is set.
+ // Otherwise configure for LFRC.
+ //
+ if (ui32OSC)
+ {
+ AM_REG(CLKGEN, OCTRL) |= AM_REG_CLKGEN_OCTRL_OSEL_M;
+ }
+ else
+ {
+ AM_REG(CLKGEN, OCTRL) &= ~AM_REG_CLKGEN_OCTRL_OSEL_M;
+ }
+}
+
+//*****************************************************************************
+//
+//! @brief Enable/Start the RTC oscillator.
+//!
+//! Starts the RTC oscillator.
+//!
+//! @return None.
+//
+//*****************************************************************************
+void
+am_hal_rtc_osc_enable(void)
+{
+ //
+ // Start the RTC Oscillator.
+ //
+ AM_REG(RTC, RTCCTL) &= ~AM_REG_RTC_RTCCTL_RSTOP(1);
+}
+
+//*****************************************************************************
+//
+//! @brief Disable/Stop the RTC oscillator.
+//!
+//! Stops the RTC oscillator.
+//!
+//! @return None.
+//
+//*****************************************************************************
+void
+am_hal_rtc_osc_disable(void)
+{
+ //
+ // Stop the RTC Oscillator.
+ //
+ AM_REG(RTC, RTCCTL) |= AM_REG_RTC_RTCCTL_RSTOP(1);
+}
+
+//*****************************************************************************
+//
+//! @brief Configures the RTC for 12 or 24 hour time keeping.
+//!
+//! @param b12Hour - A 'true' configures the RTC for 12 hour time keeping.
+//!
+//! Configures the RTC for 12 (true) or 24 (false) hour time keeping.
+//!
+//! @return None.
+//
+//*****************************************************************************
+void
+am_hal_rtc_time_12hour(bool b12Hour)
+{
+ //
+ // Set the 12/24 hour bit.
+ //
+ AM_REG(RTC, RTCCTL) |= AM_REG_RTC_RTCCTL_HR1224(b12Hour);
+}
+
+//*****************************************************************************
+//
+//! @brief Enable selected RTC interrupts.
+//!
+//! @param ui32Interrupt - desired interrupts
+//!
+//! Enables the RTC interrupts.
+//!
+//! ui32Interrupt should be an OR of the following:
+//!
+//! AM_HAL_RTC_INT_ALM
+//! AM_HAL_RTC_INT_OF
+//! AM_HAL_RTC_INT_ACC
+//! AM_HAL_RTC_INT_ACF
+//!
+//! @return None.
+//
+//*****************************************************************************
+void
+am_hal_rtc_int_enable(uint32_t ui32Interrupt)
+{
+ //
+ // Enable the interrupts.
+ //
+ AM_REG(RTC, INTEN) |= ui32Interrupt;
+}
+
+//*****************************************************************************
+//
+//! @brief Return the enabled RTC interrupts.
+//!
+//! Returns the enabled RTC interrupts.
+//!
+//! @return enabled RTC interrupts. Return is a logical or of:
+//!
+//! AM_HAL_RTC_INT_ALM
+//! AM_HAL_RTC_INT_OF
+//! AM_HAL_RTC_INT_ACC
+//! AM_HAL_RTC_INT_ACF
+//
+//*****************************************************************************
+uint32_t
+am_hal_rtc_int_enable_get(void)
+{
+ //
+ // Read the RTC interrupt enable register, and return its contents.
+ //
+ return AM_REG(RTC, INTEN);
+}
+
+//*****************************************************************************
+//
+//! @brief Disable selected RTC interrupts.
+//!
+//! @param ui32Interrupt - desired interrupts
+//!
+//! Disables the RTC interrupts.
+//!
+//! ui32Interrupt should be an OR of the following:
+//!
+//! AM_HAL_RTC_INT_ALM
+//! AM_HAL_RTC_INT_OF
+//! AM_HAL_RTC_INT_ACC
+//! AM_HAL_RTC_INT_ACF
+//!
+//! @return None.
+//
+//*****************************************************************************
+void
+am_hal_rtc_int_disable(uint32_t ui32Interrupt)
+{
+ //
+ // Disable the interrupts.
+ //
+ AM_REG(RTC, INTEN) &= ~ui32Interrupt;
+}
+
+//*****************************************************************************
+//
+//! @brief Sets the selected RTC interrupts.
+//!
+//! @param ui32Interrupt - desired interrupts
+//!
+//! Sets the RTC interrupts causing them to immediately trigger.
+//!
+//! ui32Interrupt should be an OR of the following:
+//!
+//! AM_HAL_RTC_INT_ALM
+//! AM_HAL_RTC_INT_OF
+//! AM_HAL_RTC_INT_ACC
+//! AM_HAL_RTC_INT_ACF
+//!
+//! @return None.
+//
+//*****************************************************************************
+void
+am_hal_rtc_int_set(uint32_t ui32Interrupt)
+{
+ //
+ // Set the interrupts.
+ //
+ AM_REG(RTC, INTSET) = ui32Interrupt;
+}
+
+//*****************************************************************************
+//
+//! @brief Clear selected RTC interrupts.
+//!
+//! @param ui32Interrupt - desired interrupts
+//!
+//! Clears the RTC interrupts.
+//!
+//! ui32Interrupt should be an OR of the following:
+//!
+//! AM_HAL_RTC_INT_ALM
+//! AM_HAL_RTC_INT_OF
+//! AM_HAL_RTC_INT_ACC
+//! AM_HAL_RTC_INT_ACF
+//!
+//! @return None.
+//
+//*****************************************************************************
+void
+am_hal_rtc_int_clear(uint32_t ui32Interrupt)
+{
+ //
+ // Clear the interrupts.
+ //
+ AM_REG(RTC, INTCLR) = ui32Interrupt;
+}
+
+//*****************************************************************************
+//
+//! @brief Returns the RTC interrupt status.
+//!
+//! @param bEnabledOnly - return the status of only the enabled interrupts.
+//!
+//! Returns the RTC interrupt status.
+//!
+//! @return Bitwise representation of the current interrupt status.
+//!
+//! The return value will be the logical OR of one or more of the following
+//! values:
+//!
+//! AM_HAL_RTC_INT_ALM
+//! AM_HAL_RTC_INT_OF
+//! AM_HAL_RTC_INT_ACC
+//! AM_HAL_RTC_INT_ACF
+//
+//*****************************************************************************
+uint32_t
+am_hal_rtc_int_status_get(bool bEnabledOnly)
+{
+ //
+ // Get the interrupt status.
+ //
+ if (bEnabledOnly)
+ {
+ uint32_t u32RetVal;
+ u32RetVal = AM_REG(RTC, INTSTAT);
+ u32RetVal &= AM_REG(RTC, INTEN);
+ return u32RetVal &
+ (AM_HAL_RTC_INT_ALM | AM_HAL_RTC_INT_OF |
+ AM_HAL_RTC_INT_ACC | AM_HAL_RTC_INT_ACF);
+ }
+ else
+ {
+ return (AM_REG(RTC, INTSTAT) & (AM_HAL_RTC_INT_ALM |
+ AM_HAL_RTC_INT_OF |
+ AM_HAL_RTC_INT_ACC |
+ AM_HAL_RTC_INT_ACF));
+ }
+}
+
+//*****************************************************************************
+//
+//! @brief Set the Real Time Clock counter registers.
+//!
+//! @param *pTime - A pointer to the time structure.
+//!
+//! Sets the RTC counter registers to the supplied values.
+//!
+//! @return None.
+//
+//*****************************************************************************
+void
+am_hal_rtc_time_set(am_hal_rtc_time_t *pTime)
+{
+ //
+ // Enable writing to the counters.
+ //
+ AM_REG(RTC, RTCCTL) |= AM_REG_RTC_RTCCTL_WRTC(1);
+
+ //
+ // Write the RTCLOW register.
+ //
+ AM_REG(RTC, CTRLOW) =
+ AM_REG_RTC_CTRLOW_CTRHR(dec_to_bcd(pTime->ui32Hour)) |
+ AM_REG_RTC_CTRLOW_CTRMIN(dec_to_bcd(pTime->ui32Minute)) |
+ AM_REG_RTC_CTRLOW_CTRSEC(dec_to_bcd(pTime->ui32Second)) |
+ AM_REG_RTC_CTRLOW_CTR100(dec_to_bcd(pTime->ui32Hundredths));
+
+ //
+ // Write the RTCUP register.
+ //
+ AM_REG(RTC, CTRUP) =
+ AM_REG_RTC_CTRUP_CEB((pTime->ui32CenturyEnable)) |
+ AM_REG_RTC_CTRUP_CB((pTime->ui32Century)) |
+ AM_REG_RTC_CTRUP_CTRWKDY((pTime->ui32Weekday)) |
+ AM_REG_RTC_CTRUP_CTRYR(dec_to_bcd((pTime->ui32Year))) |
+ AM_REG_RTC_CTRUP_CTRMO(dec_to_bcd((pTime->ui32Month))) |
+ AM_REG_RTC_CTRUP_CTRDATE(dec_to_bcd((pTime->ui32DayOfMonth)));
+
+ //
+ // Disable writing to the counters.
+ //
+ AM_REG(RTC, RTCCTL) |= AM_REG_RTC_RTCCTL_WRTC(0);
+}
+
+//*****************************************************************************
+//
+//! @brief Get the Real Time Clock current time.
+//!
+//! @param *pTime - A pointer to the time structure to store the current time.
+//!
+//! Gets the RTC's current time
+//!
+//! @return 0 for success and 1 for error.
+//
+//*****************************************************************************
+uint32_t
+am_hal_rtc_time_get(am_hal_rtc_time_t *pTime)
+{
+ uint32_t ui32RTCLow, ui32RTCUp, ui32Value;
+
+ //
+ // Read the upper and lower RTC registers.
+ //
+ ui32RTCLow = AM_REG(RTC, CTRLOW);
+ ui32RTCUp = AM_REG(RTC, CTRUP);
+
+ //
+ // Break out the lower word.
+ //
+ ui32Value =
+ ((ui32RTCLow & AM_REG_RTC_CTRLOW_CTRHR_M) >> AM_REG_RTC_CTRLOW_CTRHR_S);
+ pTime->ui32Hour = bcd_to_dec(ui32Value);
+
+ ui32Value =
+ ((ui32RTCLow & AM_REG_RTC_CTRLOW_CTRMIN_M) >> AM_REG_RTC_CTRLOW_CTRMIN_S);
+ pTime->ui32Minute = bcd_to_dec(ui32Value);
+
+ ui32Value =
+ ((ui32RTCLow & AM_REG_RTC_CTRLOW_CTRSEC_M) >> AM_REG_RTC_CTRLOW_CTRSEC_S);
+ pTime->ui32Second = bcd_to_dec(ui32Value);
+
+ ui32Value =
+ ((ui32RTCLow & AM_REG_RTC_CTRLOW_CTR100_M) >> AM_REG_RTC_CTRLOW_CTR100_S);
+ pTime->ui32Hundredths = bcd_to_dec(ui32Value);
+
+ //
+ // Break out the upper word.
+ //
+ pTime->ui32ReadError =
+ ((ui32RTCUp & AM_REG_RTC_CTRUP_CTERR_M) >> AM_REG_RTC_CTRUP_CTERR_S);
+
+ pTime->ui32CenturyEnable =
+ ((ui32RTCUp & AM_REG_RTC_CTRUP_CEB_M) >> AM_REG_RTC_CTRUP_CEB_S);
+
+ pTime->ui32Century =
+ ((ui32RTCUp & AM_REG_RTC_CTRUP_CB_M) >> AM_REG_RTC_CTRUP_CB_S);
+
+ ui32Value =
+ ((ui32RTCUp & AM_REG_RTC_CTRUP_CTRWKDY_M) >> AM_REG_RTC_CTRUP_CTRWKDY_S);
+ pTime->ui32Weekday = bcd_to_dec(ui32Value);
+
+ ui32Value =
+ ((ui32RTCUp & AM_REG_RTC_CTRUP_CTRYR_M) >> AM_REG_RTC_CTRUP_CTRYR_S);
+ pTime->ui32Year = bcd_to_dec(ui32Value);
+
+ ui32Value =
+ ((ui32RTCUp & AM_REG_RTC_CTRUP_CTRMO_M) >> AM_REG_RTC_CTRUP_CTRMO_S);
+ pTime->ui32Month = bcd_to_dec(ui32Value);
+
+ ui32Value =
+ ((ui32RTCUp & AM_REG_RTC_CTRUP_CTRDATE_M) >> AM_REG_RTC_CTRUP_CTRDATE_S);
+ pTime->ui32DayOfMonth = bcd_to_dec(ui32Value);
+
+ //
+ // Was there a read error?
+ //
+ if (pTime->ui32ReadError)
+ {
+ return 1;
+ }
+ else
+ {
+ return 0;
+ }
+}
+
+//*****************************************************************************
+//
+//! @brief Sets the alarm repeat interval.
+//!
+//! @param ui32RepeatInterval the desired repeat interval.
+//!
+//! Sets the alarm repeat interval.
+//!
+//! Valid values for ui32RepeatInterval:
+//!
+//! AM_HAL_RTC_ALM_RPT_DIS
+//! AM_HAL_RTC_ALM_RPT_YR
+//! AM_HAL_RTC_ALM_RPT_MTH
+//! AM_HAL_RTC_ALM_RPT_WK
+//! AM_HAL_RTC_ALM_RPT_DAY
+//! AM_HAL_RTC_ALM_RPT_HR
+//! AM_HAL_RTC_ALM_RPT_MIN
+//! AM_HAL_RTC_ALM_RPT_SEC
+//! AM_HAL_RTC_ALM_RPT_10TH
+//! AM_HAL_RTC_ALM_RPT_100TH
+//!
+//! @return None.
+//
+//*****************************************************************************
+void
+am_hal_rtc_alarm_interval_set(uint32_t ui32RepeatInterval)
+{
+ uint32_t ui32RptInt, ui32Alm100, ui32Value;
+
+ switch(ui32RepeatInterval)
+ {
+ //
+ // If repeat every 10th set RPT and ALM100 field accordinly
+ //
+ case AM_HAL_RTC_ALM_RPT_10TH:
+ ui32RptInt = AM_HAL_RTC_ALM_RPT_SEC;
+ ui32Alm100 = AM_HAL_RTC_ALM100_10TH;
+ break;
+ //
+ // If repeat every 100th set RPT and ALM100 field accordinly
+ //
+ case AM_HAL_RTC_ALM_RPT_100TH:
+ ui32RptInt = AM_HAL_RTC_ALM_RPT_SEC;
+ ui32Alm100 = AM_HAL_RTC_ALM100_100TH;
+ break;
+ //
+ // Otherwise set RPT as value passed. ALM100 values need to be 0xnn
+ // in this setting where n = 0-9.
+ //
+ default:
+ //
+ // Get the current value of the ALM100 field.
+ //
+ ui32Value = AM_BFR(RTC, ALMLOW, ALM100);
+
+ //
+ // If ALM100 was previous EVERY_10TH or EVERY_100TH reset to zero
+ // otherwise keep previous setting.
+ //
+ ui32Alm100 = ui32Value >= 0xF0 ? 0 : ui32Value;
+
+ //
+ // Set RPT value to value passed.
+ //
+ ui32RptInt = ui32RepeatInterval;
+ break;
+ }
+
+ //
+ // Write the interval to the register.
+ //
+ AM_BFW(RTC, RTCCTL, RPT, ui32RptInt);
+
+ //
+ // Write the Alarm 100 bits in the ALM100 register.
+ //
+ AM_BFW(RTC, ALMLOW, ALM100, ui32Alm100);
+}
+
+//*****************************************************************************
+//
+//! @brief Sets the RTC's Alarm.
+//!
+//! @param *pTime - A pointer to the time structure.
+//! @param ui32RepeatInterval - the desired alarm repeat interval.
+//!
+//! Set the Real Time Clock Alarm Parameters.
+//!
+//! Valid values for ui32RepeatInterval:
+//!
+//! AM_HAL_RTC_ALM_RPT_DIS
+//! AM_HAL_RTC_ALM_RPT_YR
+//! AM_HAL_RTC_ALM_RPT_MTH
+//! AM_HAL_RTC_ALM_RPT_WK
+//! AM_HAL_RTC_ALM_RPT_DAY
+//! AM_HAL_RTC_ALM_RPT_HR
+//! AM_HAL_RTC_ALM_RPT_MIN
+//! AM_HAL_RTC_ALM_RPT_SEC
+//! AM_HAL_RTC_ALM_RPT_10TH
+//! AM_HAL_RTC_ALM_RPT_EVERY_100TH
+//!
+//! @return None.
+//
+//*****************************************************************************
+void
+am_hal_rtc_alarm_set(am_hal_rtc_time_t *pTime, uint32_t ui32RepeatInterval)
+{
+ uint8_t ui8Value = 0;
+
+ //
+ // Write the interval to the register.
+ //
+ AM_REG(RTC, RTCCTL) |=
+ AM_REG_RTC_RTCCTL_RPT(ui32RepeatInterval > 0x7 ? 0x7 : ui32RepeatInterval);
+
+ //
+ // Check if the interval is 10th or every 100th and track it in ui8Value.
+ //
+ if (ui32RepeatInterval == AM_HAL_RTC_ALM_RPT_10TH)
+ {
+ ui8Value = 0xF0;
+ }
+ else if (ui32RepeatInterval == AM_HAL_RTC_ALM_RPT_100TH)
+ {
+ ui8Value = 0xFF;
+ }
+
+ //
+ // Write the ALMUP register.
+ //
+ AM_REG(RTC, ALMUP) =
+ AM_REG_RTC_ALMUP_ALMWKDY((pTime->ui32Weekday)) |
+ AM_REG_RTC_ALMUP_ALMMO(dec_to_bcd((pTime->ui32Month))) |
+ AM_REG_RTC_ALMUP_ALMDATE(dec_to_bcd((pTime->ui32DayOfMonth)));
+
+ //
+ // Write the ALMLOW register.
+ //
+ AM_REG(RTC, ALMLOW) =
+ AM_REG_RTC_ALMLOW_ALMHR(dec_to_bcd(pTime->ui32Hour)) |
+ AM_REG_RTC_ALMLOW_ALMMIN(dec_to_bcd(pTime->ui32Minute)) |
+ AM_REG_RTC_ALMLOW_ALMSEC(dec_to_bcd(pTime->ui32Second)) |
+ AM_REG_RTC_ALMLOW_ALM100(dec_to_bcd(pTime->ui32Hundredths) | ui8Value);
+}
+
+//*****************************************************************************
+//
+//! @brief Get the Real Time Clock Alarm Parameters
+//!
+//! @param *pTime - A pointer to the time structure to store the current alarm.
+//!
+//! Gets the RTC's Alarm time
+//!
+//! @return None.
+//
+//*****************************************************************************
+void
+am_hal_rtc_alarm_get(am_hal_rtc_time_t *pTime)
+{
+ uint32_t ui32ALMLow, ui32ALMUp, ui32Value;
+
+ //
+ // Read the upper and lower RTC registers.
+ //
+ ui32ALMLow = AM_REG(RTC, ALMLOW);
+ ui32ALMUp = AM_REG(RTC, ALMUP);
+
+ //
+ // Break out the lower word.
+ //
+ ui32Value =
+ ((ui32ALMLow & AM_REG_RTC_ALMLOW_ALMHR_M) >> AM_REG_RTC_ALMLOW_ALMHR_S);
+ pTime->ui32Hour = bcd_to_dec(ui32Value);
+
+ ui32Value =
+ ((ui32ALMLow & AM_REG_RTC_ALMLOW_ALMMIN_M) >> AM_REG_RTC_ALMLOW_ALMMIN_S);
+ pTime->ui32Minute = bcd_to_dec(ui32Value);
+
+ ui32Value =
+ ((ui32ALMLow & AM_REG_RTC_ALMLOW_ALMSEC_M) >> AM_REG_RTC_ALMLOW_ALMSEC_S);
+ pTime->ui32Second = bcd_to_dec(ui32Value);
+
+ ui32Value =
+ ((ui32ALMLow & AM_REG_RTC_ALMLOW_ALM100_M) >> AM_REG_RTC_ALMLOW_ALM100_S);
+ pTime->ui32Hundredths = bcd_to_dec(ui32Value);
+
+ //
+ // Break out the upper word.
+ //
+ pTime->ui32ReadError = 0;
+ pTime->ui32CenturyEnable = 0;
+ pTime->ui32Century = 0;
+
+ ui32Value =
+ ((ui32ALMUp & AM_REG_RTC_ALMUP_ALMWKDY_M) >> AM_REG_RTC_ALMUP_ALMWKDY_S);
+ pTime->ui32Weekday = bcd_to_dec(ui32Value);
+
+ pTime->ui32Year = 0;
+
+ ui32Value =
+ ((ui32ALMUp & AM_REG_RTC_ALMUP_ALMMO_M) >> AM_REG_RTC_ALMUP_ALMMO_S);
+ pTime->ui32Month = bcd_to_dec(ui32Value);
+
+ ui32Value =
+ ((ui32ALMUp & AM_REG_RTC_ALMUP_ALMDATE_M) >> AM_REG_RTC_ALMUP_ALMDATE_S);
+ pTime->ui32DayOfMonth = bcd_to_dec(ui32Value);
+}
+
+//*****************************************************************************
+//
+// End Doxygen group.
+//! @}
+//
+//*****************************************************************************